KR930023983A - Method and device for automatic gain adjustment by mode of control amplifier - Google Patents

Method and device for automatic gain adjustment by mode of control amplifier Download PDF

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Publication number
KR930023983A
KR930023983A KR1019920008994A KR920008994A KR930023983A KR 930023983 A KR930023983 A KR 930023983A KR 1019920008994 A KR1019920008994 A KR 1019920008994A KR 920008994 A KR920008994 A KR 920008994A KR 930023983 A KR930023983 A KR 930023983A
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South Korea
Prior art keywords
gain
mode
control amplifier
data value
recording
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KR1019920008994A
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Korean (ko)
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KR100219579B1 (en
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심순선
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강진구
삼성전자 주식회사
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Priority to KR1019920008994A priority Critical patent/KR100219579B1/en
Publication of KR930023983A publication Critical patent/KR930023983A/en
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    • G—PHYSICS
    • G11—INFORMATION STORAGE
    • G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
    • G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Digital Magnetic Recording (AREA)
  • Control Of Amplification And Gain Control (AREA)

Abstract

본 발명은 기록재생시스템의 동작모드에 의한 주행속도에 따라서 콘트롤 신호의 이득을 자동 조정하기 위한 것이다. 이를 위하여 각 주행모드에 대한 이득 데이타값을 설정하고, 테이프가 주행되고 있는지를 판단한 뒤, 테이프가 주행되고 있는 경우 어느 주행모드에 해당하는가 판단하여 해당모드의 이득 데이타값을 출력하여 콘트롤 증폭기의 이득을 조정할 수 있도록 콘트롤 헤드를 통해 자기테이프로부터 픽업되는 콘트롤 호를 소정레벨로 증폭시켜 서보부로 출력하는 증폭부와, 서보부의 출력신호에 의해 상기 자기테이프의 주행모드를 검출하여 해당하는 증폭 이득 데이타값을 제어하는 시스콘 마이콤과, 시스콘 마이콤에서 출력되는 증폭이득 데이타값에 해당하는 증폭이득이 상기 증폭부로 인가되도록 이득을 조정하는 이득 조정수단을 포함하도록 구성된다. 따라서 주행속도에 상관없이 항상 안정된 서보 시스템을 구동할 수 있는 효과가 있다.The present invention is to automatically adjust the gain of the control signal in accordance with the traveling speed by the operation mode of the recording / playback system. For this purpose, the gain data value for each driving mode is set, the tape is driven, and after the tape is running, it is determined which driving mode is applicable, and the gain data value of the corresponding mode is output to obtain the gain of the control amplifier. Amplifying part which amplifies the control call picked up from the magnetic tape through the control head to a predetermined level and outputs it to the servo part, and detects the driving mode of the magnetic tape according to the output signal of the servo part, and corresponding amplification gain data value And a gain adjusting means for adjusting gain so that an amplification gain corresponding to the amplification gain data value output from the ciscon micom is applied to the amplifying unit. Therefore, there is an effect that can drive a stable servo system regardless of the driving speed.

Description

콘트롤 증폭기의 모드별 이득 자동조정방법 및 장치Method and device for automatic gain adjustment by mode of control amplifier

본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is an open matter, no full text was included.

제2도는 본 발명에 따른 콘트롤 증폭기의 모드별 이득 자동조정 장치의 회로도, 제3도는 본 발명에 따른 콘트롤 증폭기의 모드별 이득 자동조정 방법의 흐름도.2 is a circuit diagram of a mode-specific gain automatic adjustment apparatus of a control amplifier according to the present invention, and FIG. 3 is a flowchart of a mode-specific gain automatic adjustment method of the control amplifier according to the present invention.

Claims (5)

기록재생시스템의 콘트롤 증폭기의 이득 조정방법에 있어서, 상기 기록재생시스템의 동작모드에 따른 상기 콘트롤 증폭기의 이득 데이타값을 설정하는 과정, 상기 기록재생시스템의 테이프가 주행모드인가 판단하는 과정, 상기 테이프가 주행모드일 경우 어느 동작모드에 해당하는 주행을 하는지를 판단하여 해당모드의 이득 데이타값을 상기 콘트롤 증폭기로 출력하여 상기 콘트롤 증폭기의 이득을 조정하는 이득 조정과정을 포함함을 특징으로 하는 콘트롤 증폭기의 모드별 이득 자동조정방법.A method of adjusting a gain of a control amplifier of a recording and reproducing system, the method comprising: setting a gain data value of the control amplifier according to an operation mode of the recording and reproducing system, determining whether the tape of the recording and reproducing system is a traveling mode, and the tape In the driving mode, it is determined which driving mode the driving mode of the control amplifier outputs a gain data value of the corresponding mode to the control amplifier to adjust the gain of the control amplifier, characterized in that How to adjust gain by mode. 제1항에 있어서, 상기 이득 조정과정은 상기 판단에 의하여 상기 동작 모드가 스틸모드일 경우, 스틸 해제시 상기 테이프의 주행모드가 스틸모드 이행전과 동일한 모드인지를 판단하는 판단단계와, 상기 판단단계에서 상기 주행모드가 상기 스틸모드 이행전과 상이한 모드인 경우, 해당모드의 이득 데이타값으로 조정하는 조정단계를 포함함을 특징으로 하는 콘트롤 증폭기의 모드별 이득 자동조정방법.The method of claim 1, wherein the gain adjusting process comprises: a determination step of determining whether the driving mode of the tape is the same mode as before the steel mode is transitioned when the steel is released when the operation mode is the still mode; And adjusting the gain to a gain data value of the corresponding mode when the driving mode is a different mode from before moving to the still mode. 제1항에 있어서, 상기 콘트롤 증폭기의 모드별 이득 자동 조정방법은 상기 주행모드중 기록모드인 경우에는 상기 이득 조정과정을 수행하지 않는 과정을 더 구비함을 특징으로 하는 콘트롤 증폭기의 모드별 이득 자동조정방법.The method of claim 1, wherein the gain automatic adjustment method for each mode of the control amplifier further includes a step of not performing the gain adjustment process in the recording mode of the driving mode. How to adjust. 드럼의 위상제어 및 테이프의 주행속도를 제어하는 서보부를 구비한 기록재생시스템에 있어서, 콘트롤 헤드를 통해 자기테이프로부터 픽업되는 콘트롤 신호를 소정레벨로 증폭시켜 서보부로 출력하는 증폭부, 상기 서보부의 출력신호에 의해 상기 자기테이프의 주행모드를 검출하여 해당하는 증폭 이득 데이타값을 제어하는 시스콘 마이콤과, 상기 시스콘 마이콤에서 출력되는 증폭 이득 데이타값을 해당하는 증폭이득이 상기 증폭부로 인가되도록 이득을 조정하는 이득 조정수단을 포함함을 특징으로 하는 콘트롤 증폭기의 모드별 이득 자동조정방법.A recording and reproducing system having a servo unit for controlling the phase of a drum and a traveling speed of a tape, the recording and reproducing system comprising: an amplifying unit for amplifying a control signal picked up from a magnetic tape through a control head to a servo unit at a predetermined level and outputting the servo unit; A signal is used to detect a driving mode of the magnetic tape to control a corresponding amplification gain data value, and a gain so that an amplification gain corresponding to the amplification gain data value output from the ciscon micom is applied to the amplifying unit. Gain adjustment means for adjusting the gain for each mode of the control amplifier, characterized in that the control amplifier. 제4항에 있어서, 상기 이득 조정수단은 복수의 저항들로 이루어짐을 특징으로 하는 콘트롤 증폭기의 모드별 이득 자동 조정장치.5. The apparatus of claim 4, wherein the gain adjusting means comprises a plurality of resistors. ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임※ Note: The disclosure is based on the initial application.
KR1019920008994A 1992-05-27 1992-05-27 Method and apparatus for controlling the gain of control amplifier KR100219579B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1019920008994A KR100219579B1 (en) 1992-05-27 1992-05-27 Method and apparatus for controlling the gain of control amplifier

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Application Number Priority Date Filing Date Title
KR1019920008994A KR100219579B1 (en) 1992-05-27 1992-05-27 Method and apparatus for controlling the gain of control amplifier

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KR930023983A true KR930023983A (en) 1993-12-21
KR100219579B1 KR100219579B1 (en) 1999-10-01

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KR1019920008994A KR100219579B1 (en) 1992-05-27 1992-05-27 Method and apparatus for controlling the gain of control amplifier

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